Structural Stability

Numbering Code G-ENG02 5F067 LE73
G-ENG01 5F067 LE73
Year/Term 2022 ・ First semester
Number of Credits 2 Course Type Lecture
Target Year Target Student
Language English Day/Period Fri.2
Instructor name SUGIURA KUNITOMO (Graduate School of Engineering Professor)
KITANE YASUO (Graduate School of Engineering Associate Professor)
Outline and Purpose of the Course Fundamental concept of static and dynamic stability of large-scale structures such as bridges is to be introduced in addition to the way to keep/improve their safety and to evaluate their performance. Basic concept of structural stability and its application and technical subjects to improve safety will be lectured systematically. Furthermore, the practical solutions to the subjects are to be introduced to assure the safety of structures.
Course Goals The class aims to cultivate the understanding of static and dynamic stability problems for structural system and make understand the methodology to clarify the limit state. To get knowledge on countermeasures to assure the stability which is applicable to practical design and manufacturing will be also required.
Schedule and Contents Elastic Stability under Static Loading(8)
Stability of Structures and Failures
Basis of Structural Stability
Elastic Buckling of Columns
Elastic Buckling of Beams & Frames
Elastic Torsional Buckling of Beams
Elastic Buckling of Plates
Elasto-plastic Buckling
Buckling Analysis

Basic Theory of Dynamic Stability(3)
Dynamic Response Characteristics of Structural System
State Equation of Motion with Nonlinearities in External, Damping and Restoring Force,
Stability around Equilibrium Points

Examples of Structural Instability under Dynamic Loadings(3)
Instability under Nonconservative Force
Instability under Periodical Force
Instability under Impact Force

Achievement Check(1)
Summary and Achievement Check
Evaluation Methods and Policy Grading will be evaluated by written examination(80%), reports(10%) and attendance(10%).
Course Requirements It is desired for participants to master structural mechanics, continuum mechanics, mathematical analysis as well as vibration theory.
Study outside of Class (preparation and review) Work on Assignments
Textbooks Textbooks/References Not specified.
References, etc. Introduced in class if necessary.
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